| 高精度积分式电压表电磁兼容性设计 |
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| 引用本文： | 刘成芳,刘军.高精度积分式电压表电磁兼容性设计[J].电子工程师,2009,35(1):41-43. |
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| 作者姓名： | 刘成芳 刘军 |
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| 作者单位： | 1. 青岛科技大学,山东省,青岛市,266000;山东华宇职业技术学院,山东省,德州市,253034
2. 青岛科技大学,山东省,青岛市,266000 |
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| 摘 要： | 高精度积分式电压表应用广泛,常用单片机实现A/D转换,对电磁兼容的要求很高,因此在设计电路原理图、PCB(印制电路板)、电源与单片机系统时要充分考虑电磁兼容问题.分析了高精度电压表存在的电磁干扰的原因,给出了设计电路及制版时减小或消除电磁干扰的具体措施,对设计这类测量电路有一定的参考意义,同时对维修维护该类仪表有很大的帮助.
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| 关 键 词： | 电磁兼容性(EMC) 积分式电压表 浮地技术 单片机 |
Design of Electromagnetic Compatibility of High-accuracy Integrating Voltmeter |
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| LIU Chengfang,LIU Jun.Design of Electromagnetic Compatibility of High-accuracy Integrating Voltmeter[J].Electronic Engineer,2009,35(1):41-43. |
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| Authors: | LIU Chengfang LIU Jun |
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| Affiliation: | 1.Qingdao University of Science and Technology;Qingdao 266000;China;2.Shangdong Huayu Vocationalt Technology College;Dezhou 253034;China |
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| Abstract: | High-accuracy Integrating Voltmeter has been widely used,which generally realizes its A/D conversion by microprocessor.The result is the demand on electromagnetic compatibility becomes much higher.When designing circuit,PCB,power supply and the microchip system,we should fully consider this problem.This paper analyzes the reason why the high-precision voltage meter meets electromagnetic interference,and offers specific measures to reduce or eliminate the electromagnetic interference when we design the circu... |
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| Keywords: | electromagnetic compatibility integrating voltmeter floating ground microchip computer |
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